MyISAM and InnoDB are two most commonly used storage engines of MySQL database. However, MyISAM is the default storage engine chosen by MySQL database, when creating a new table. The default engine is MyISAM which is very fast but does not support higher level functionality such as foreign keys or transactions. # mysql> SHOW Full Article…

There might be instances when the removal of email accounts from frontend fails in plesk control panel. One of the following 2 methods can be used to resolve the issue: ♦ Remove the mail account via SSH. # /usr/local/psa/bin/mail –remove email@domain.tld ♦ If the above method doesn’t work, remove the email account from the Plesk Full Article…

In some cases, the server will not allow FTP over the server, the issue might be due to the enforcement set in the server. Login to the server as root, for this you may need the SSH access to the server. Run the command getenforce in shell. If the output is enforcing,we may need Full Article…

In some cases you may get an error as 500 OOPS: cannot change directory:/home/$user when you try to connect to FTP, the error is coming up why because ‘selinux‘ is enabled in the server. If you are getting the error as 500 OOPS: cannot change directory:/home/user error on server setup with vsftp. @server1:~# ftp Full Article…

In cPanel custom modules should be installed in the following path, this tutorial will help you to install custom modules in cPanel. ♦ Login to the server as SSH ♦ Go to the folder ‘/var/cpanel/easy/apache/custom_opt_mods/‘ ♦ Download and unzip it into /var/cpanel/easy/apache/custom_opt_mods/ ♦ When logged into your server as root, you can install any Full Article…

MySQL OPTIMIZATION MySQL is a popular choice of database for use in web applications. Fully optimizing MySQL takes both time and effort since every application has different requirements. The MySQL database server performance depends on the number of factors. The Optimized Query is one of the factors for the MySQL robust performance. The MySQL Full Article…

Here goes the steps for disabling inbound MySQL connections to a linux server. ♦ Login to the server as root ♦ open the file /etc/my.cnf ♦ add the directive skip-networking ♦ save and quit from the file. Now you may need to disable the port 3306 in TCP_IN section in firewall(if firewall enabled). Make Full Article…

Usually we have the FTP port set as 21 in most of the servers, if we need to change the FTP port from 21 to another, the changes should be done in /etc/pure-ftpd.conf file. Entry in which the changes should be done is; # IP address/port to listen to (default=all IP and port 21). Full Article…

If you run a firewall on your Linux server and want to use passive FTP connections, you have to define the passive port range in pure-ftpd and your firewall to ensure that the connections don’t get blocked. ♦ vi /etc/pure-ftpd.conf search for passive port range in pure-ftpd.conf file and add the range. PassivePortRange 30000 Full Article…

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